package com.yj.lottery_system.common.utils;

import cn.hutool.captcha.LineCaptcha;
import cn.hutool.captcha.generator.RandomGenerator;
public class CaptchaUtil {
    /**
     * 生成随机验证码
     * @param length 验证码长度
     * @return 验证码
     */
    public static String getCaptcha(int length) {
        RandomGenerator randomGenerator = new RandomGenerator("0123456789", length);
        LineCaptcha lineCaptcha =
                cn.hutool.captcha.CaptchaUtil.createLineCaptcha(200, 100);
        lineCaptcha.setGenerator(randomGenerator);
        // 重新⽣成code
        lineCaptcha.createCode();
        return lineCaptcha.getCode();

    }
}
